WN4883

WN4883 (Southwest Airlines) is a multi-stop service on 11 routes, busiest Burbank to San Jose. Of 178 departures recorded from October 2024 to July 2026, 74.4% left on time, according to the US BTS.

Recorded departures by month

All legs under this number combined; see the leg table.

Months without data are left blank.

The most recent periods11 periods
PeriodDepartures 2025Departures 2026Change vs last year
January345▼ 85.3%
February167▼ 56.3%
March241▼ 95.8%
April5––
May–––
June–23–
July–26–
August–––
September–––
October––in progress
November9––
December20––

according to the US BTS · October 2024 → July 2026

On-time departures by month

All legs combined

Months without data are left blank.

On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.

The most recent periods11 periods
PeriodOn time 2025On time 2026Change vs last year
January76.7%100.0%▲ 30.4%
February100.0%66.7%▼ 33.3%
March75.0%0.0%▼ 100.0%
April80.0%––
May–––
June–73.9%–
July–76.9%–
August–––
September–––
October––in progress
November33.3%––
December70.0%––

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

Months without data are left blank.

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined

Months without data are left blank.

The most recent periods11 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January40▼ 100.0%
February110.0%
March00–
April0––
May–––
June–0–
July–0–
August–––
September–––
October––in progress
November0––
December0––

according to the US BTS · October 2024 → July 2026

This is not a forecast

This is a historical record of departures already flown, not a forecast for your flight.

This number flies several legs

Several legs: the headline figure averages all of them. See the leg table.

Cancellation share

  • Not cancelled 96.6% 172
  • Cancelled 3.4% 6

Share of all recorded flights in the period, all legs. · Oct 14, 2024 → Jul 31, 2026

Legs flown under this number

1
RoutesDistance (km)Avg delay On timeDepartures
BUR SJC Hollywood Burbank/Bob Hope Airport – Mineta San Jose International Airport 477 10.5 min 75.5% 49
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 7 7 57.1% 0
November 2024 1 1 100.0% 0
January 2025 34 30 76.7% 4
February 2025 16 15 100.0% 1
March 2025 24 24 75.0% 0
April 2025 5 5 80.0% 0
November 2025 9 9 33.3% 0
December 2025 20 20 70.0% 0
January 2026 5 5 100.0% 0
February 2026 7 6 66.7% 1
March 2026 1 1 0.0% 0
June 2026 23 23 73.9% 0
July 2026 26 26 76.9% 0

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